package com.d0316;

import java.io.File;
import java.io.FileReader;

public class FirstException {
    public static void main(String[] args) {
       // int a=100/0;
        //System.out.println(a);
        //File file=new File("d:/a.txt");
        //FileReader fileReader=new FileReader(file);
       /* int[] arr = {1, 2, 3};
        for (int i = 0; i <= arr.length; i++) {
            System.out.println(arr[i]); // 因为a[4]获取第四个值时报的错
        }*/
       String a ="abc";
       Integer integer= Integer.parseInt(a);
        System.out.println(a);
    }
}
